XdsProtocol (Apache Dubbo 3.0.0 API)

所有已知实现类:

AbstractProtocol, EdsProtocol, LdsProtocol, RdsProtocol
```
public interface XdsProtocol<T>
```

方法概要

所有方法实例方法抽象方法
修饰符和类型	方法	说明
`T`	`getResource(Set<String> resourceNames)`	Gets all `resource` by the specified resource name.
`long`	`observeResource(Set<String> resourceNames, Consumer<T> consumer)`	Add a observer resource with `Consumer`
`void`	`updateObserve(long request, Set<String> resourceNames)`	Update observed resource list in `observeResource(Set, Consumer)`

- 方法详细资料
  - getResource
```
T getResource(Set<String> resourceNames)
```
    Gets all resource by the specified resource name. For LDS, the {@param resourceNames} is ignored
    
    参数:
    
    resourceNames - specified resource name
    
    返回:
    
    resources, null if request failed
  - observeResource
```
long observeResource(Set<String> resourceNames,
                     Consumer<T> consumer)
```
    Add a observer resource with Consumer
    
    参数:
    
    resourceNames - specified resource name
    
    consumer - resource notifier, will be called when resource updated
    
    返回:
    
    requestId, used when resourceNames update with updateObserve(long, Set)
  - updateObserve
```
void updateObserve(long request,
                   Set<String> resourceNames)
```
    Update observed resource list in observeResource(Set, Consumer)
    
    参数:
    
    request - requestId returned by observeResource(Set, Consumer)
    
    resourceNames - new resource name list to observe